Inventor

Yoshio Ishii

Inventor
Omiya, JP

Overview

8→
Patents
1977–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds38%
C07DHeterocyclic compounds38%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1990Patents assigned to YAMANOUCHI PHARMA CO LTD (7)· patent assignee history
1977–1982Based in Omiya, JP· patent location history
1981Patents assigned to TOA NENRYO KOGYO KK (1)· patent assignee history
1981Based in Nagoya, JP· patent location history
1990Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMANOUCHI PHARMA CO LTD71977–1990
TOA NENRYO KOGYO KK11981
Locations
LocationPatentsSpan
Omiya, JP61977–1982
Saitama, JP11990
Nagoya, JP11981